Consolidate OutputSurface constructors into GL vs Vulkan.

cc/output/output_surface.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/output_surface.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 103 matching lines @@
   uint64_t share_group_tracing_guid_;
 
   DISALLOW_COPY_AND_ASSIGN(SkiaGpuTraceMemoryDump);
 };
 
 }  // namespace
 
 OutputSurface::OutputSurface(
     scoped_refptr<ContextProvider> context_provider,
     scoped_refptr<ContextProvider> worker_context_provider,
-    scoped_refptr<VulkanContextProvider> vulkan_context_provider,
     std::unique_ptr<SoftwareOutputDevice> software_device)
-    : client_(NULL),
-      context_provider_(std::move(context_provider)),
+    : context_provider_(std::move(context_provider)),
       worker_context_provider_(std::move(worker_context_provider)),
-      vulkan_context_provider_(vulkan_context_provider),
       software_device_(std::move(software_device)),
-      device_scale_factor_(-1),
-      has_alpha_(true),
-      external_stencil_test_enabled_(false),
       weak_ptr_factory_(this) {
   client_thread_checker_.DetachFromThread();
 }
 
-OutputSurface::OutputSurface(scoped_refptr<ContextProvider> context_provider)
-    : OutputSurface(std::move(context_provider),
-                    nullptr,
-                    nullptr,
-                    nullptr) {
-}
-
 OutputSurface::OutputSurface(
-    scoped_refptr<ContextProvider> context_provider,
-    scoped_refptr<ContextProvider> worker_context_provider)
-    : OutputSurface(std::move(context_provider),
-                    std::move(worker_context_provider),
-                    nullptr,
-                    nullptr) {
-}
-
-OutputSurface::OutputSurface(
-    std::unique_ptr<SoftwareOutputDevice> software_device)
-    : OutputSurface(nullptr,
-                    nullptr,
-                    nullptr,
-                    std::move(software_device)) {
-}
-
-OutputSurface::OutputSurface(
-    scoped_refptr<ContextProvider> context_provider,
-    std::unique_ptr<SoftwareOutputDevice> software_device)
-    : OutputSurface(std::move(context_provider),
-                    nullptr,
-                    nullptr,
-                    std::move(software_device)) {
+    scoped_refptr<VulkanContextProvider> vulkan_context_provider)
+    : vulkan_context_provider_(vulkan_context_provider),
+      weak_ptr_factory_(this) {
+  client_thread_checker_.DetachFromThread();
 }
 
 // Forwarded to OutputSurfaceClient
 void OutputSurface::SetNeedsRedrawRect(const gfx::Rect& damage_rect) {
   TRACE_EVENT0("cc", "OutputSurface::SetNeedsRedrawRect");
   client_->SetNeedsRedrawRect(damage_rect);
 }
 
 void OutputSurface::ReclaimResources(const CompositorFrameAck* ack) {
   client_->ReclaimResources(ack);
@@ skipping 181 matching lines @@
   if (context_provider_.get()) {
     context_provider_->SetLostContextCallback(
         ContextProvider::LostContextCallback());
   }
   context_provider_ = nullptr;
   client_ = nullptr;
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 }  // namespace cc